@ARTICLE{Wierzbicki_Marian_Dynamic_2002,
 author={Wierzbicki, Marian},
 number={No 2},
 journal={Archives of Mining Sciences},
 pages={178-188},
 howpublished={online},
 year={2002},
 publisher={Committee of Mining PAS},
 type={Article},
 title={Dynamic seepage of nitrogen through coal briquettes},
 URL={http://journals.pan.pl/Content/132182/PDF/6_MINING_47_2_2002_Wierzbicki_DYNAMIC.pdf},
}